Justice Roberts: Can the government make you buy a cell phone?

CHIEF JUSTICE ROBERTS: Well, the same, it seems to me, would be true say for the market in emergency services: police, fire, ambulance, roadside assistance, whatever. You don't know when you're going to need it; you're not sure that you will. But the same is true for health care. You don't know if you're going to need a heart transplant or if you ever will. So there is a market there. To -- in some extent, we all participate in it. So can the government require you to buy a cell phone because that would facilitate responding when you need emergency services? You can just dial 911 no matter where you are? GENERAL VERRILLI: No, Mr. Chief Justice. think that's different. It's -- We --I don't think we think of that as a market. This is a market. This is market regulation. And in addition, you have a situation in this market not only where people enter involuntarily as to when they enter and won't be able to control what they need when they enter but when they --

CHIEF JUSTICE ROBERTS: It seems to me that's the same as in my hypothetical. You don't know when you're going to need police assistance. You can't predict the extent to emergency response that you'll need. But when you do, and the government provides it.